mirror of
https://github.com/gohugoio/hugo.git
synced 2024-12-29 18:50:57 +00:00
48 lines
1.1 KiB
Go
48 lines
1.1 KiB
Go
// Copyright 2019 The Hugo Authors. All rights reserved.
|
|
//
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
|
// you may not use this file except in compliance with the License.
|
|
// You may obtain a copy of the License at
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
|
//
|
|
// Unless required by applicable law or agreed to in writing, software
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
// See the License for the specific language governing permissions and
|
|
// limitations under the License.
|
|
|
|
package internal
|
|
|
|
import (
|
|
"strings"
|
|
"sync"
|
|
|
|
"github.com/gobwas/glob"
|
|
)
|
|
|
|
var (
|
|
globCache = make(map[string]glob.Glob)
|
|
globMu sync.RWMutex
|
|
)
|
|
|
|
func GetGlob(pattern string) (glob.Glob, error) {
|
|
var g glob.Glob
|
|
|
|
globMu.RLock()
|
|
g, found := globCache[pattern]
|
|
globMu.RUnlock()
|
|
if !found {
|
|
var err error
|
|
g, err = glob.Compile(strings.ToLower(pattern), '/')
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
globMu.Lock()
|
|
globCache[pattern] = g
|
|
globMu.Unlock()
|
|
}
|
|
|
|
return g, nil
|
|
|
|
}
|